The 1986 World Snooker Championship was a professional snooker tournament that took place between 19 April and 5 May 1986 at the Crucible Theatre in Sheffield, England. It was the sixth and final ranking event of the 1985–86 snooker season and the 1986 edition of the World Snooker Championship, first held in 1927. The total prize fund was £350,000 with £70,000 awarded to the winner and was sponsored by cigarette manufacturer Embassy.

The World Snooker Championship is the longest-running and most prestigious tournament in professional snooker. It is also the richest, with total prize money of £2,395,000 in 2023, including £500,000 for the winner. First held in 1927, it is now one of the three tournaments that make up snooker's Triple Crown Series. The reigning world champion is Kyren Wilson.